Celebrating Aldo Leopold's land ethic at 70

Re - examining the Darwinian Basis for Aldo Leopold ’ s Land Ethic

Many philosophers have become familiar with Leopold’s land ethic through the writings of J. Baird Callicott, who claims that Leopold bases his land ethic on a “protosociobiological” argument that Darwin gives in the Descent of Man. On this view, which has become the canonical interpretation, Leopold’s land ethic is based on extending our moral sentiments to ecosystems. I argue that the evidence...

The Land Ethic

Celebrating the ASN at 50.

By bringing together individuals with complementary expertise, interests, and ideals, medical societies realize shared goals and ultimately improve care for people worldwide. For the past 50 years, the American Society of Nephrology (ASN) has achieved these objectives and accomplished its initial mission of advancing the science of nephrology. In the process, the ASN has grown to become the lar...

Celebrating the ACIP at 50.

In this issue, Walton, Orenstein, and Pickering provide a useul summary of the 50-year history of the Advisory Committee n Immunization Practices (ACIP). When the ACIP was formed in 964, immunization recommendations for children were primarily eveloped by the American Academy of Pediatrics (AAP), with the merican Public Health Association and other professional organiations also providing recom...

The Protestant Ethic versus the "New Ethic"